Calculate the amount of video memory required to store a graphic image that occupies a 512×512 pixel screen area, where one point can have one of 256 colors
It is known for sure that a point in the specified graphic image can have one of 256 colors:
N = 2 ^ i;
256 = 2 ^ i;
2 ^ 8 = 2 ^ i;
i = 8.
Let’s determine what the amount of video memory that will be required to store a given graphic image will be equal, when it is precisely known from the condition of our problem that its size is 512 * 512 pixels:
V = i * x * y;
V = 8 * 512 * 512 = 2097152.
Answer: The required amount of video memory is 2097152 bits.
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